Card Name Type Artifact Contraption Rarity Rare rules Text Whenever you crank this Contraption, target creature gets -X/-X until end of turn, where X is the number of creature cards in its controller's graveyard
Plus , you exile more permanents as long as they're at least one color whenever you cast other colorless permanents
For four mana, Trynn is a 3/3 Human that is capable of reliably supplying more Humans by creating a 1/1 Human token during your end step if you attacked that turn
Malcolm all the time
Ive seen Tariel run alongside basics like Apostle of Purifying Light and Beckon Apparition to suppress graveyards, as well as with Debtors' Knell and other Zombify effects to just get as much out of their graveyard as possible
I imagine something like Entomb to tutor up a Bolas's Citadel, then casting Mox Amber to reanimate the Citadel and popping off from there could be a good start at what Moira can do, but I'm sure people can come up with far scarier lines than my quick example